Matching Pairs Unit 6_Energy_1Online version Energy by David Tordesillas 1 Renewable energy sources 2 Water energy 3 Geothermal energy 4 Solar energy 5 Wind energy 6 Light energy 7 Biomass 8 Solar, wind, water, biomass and geothermal 9 Sound energy This energy can be natural or artificial This energy is heat that comes from the centre of the Earth Renewable energy sources This energy is the cleanest source of energy It is the most efficient energy and does not cause pollution It can damage wildlife habitats and bird populations These sources do not run out when we use them This energy can contributes to deforestation and global warming This energy comes from a source that produces vibrations